词汇	disk colter arm
释义	disk colter arm un.圆盘犁刀支架
随便看	collective piano lesson collective piano teaching collective piecerate wage system collective pitch collective pitch control collective pitch controlrotorcraft collective pitch stick collective pitch-throttle control collective policy collective policy decision collective power collective power supply collective precaution and therapy Collective preparation for lessons collective preparation of instruction collective pressure collective price assessment collective principle collective problem collective problem solving collective procedure Collective product collective production collective production fund collective production method